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past paper questions Cambridge IGCSE Geography past paper questions

Past paper questions are reproduced by permission of University of Cambridge International Examinations.

Chapter 8: Climate and vegetation

QUESTION 1: Cambridge IGCSE Geography 0460/11 Q4 November 2009

(a) Study Fig. 7, which shows the location of areas with a tropical forest ecosystem.

Tropic of Cancer

Equator

Tropic of Capricorn

Key Tropical rain forest ecosystem

Fig. 7

(i) What is meant by the term ecosystem? [1]

(ii) Describe the distribution of areas with a tropical rain forest ecosystem. [2]

(iii) Explain why areas of tropical rain forest have a high annual . [3]

(iv) Explain the effects of climate on the natural vegetation in tropical rain forests. [4]

1 © Oxford University Press 2012 Chapter 8: Climate and vegetation past paper questions

(b) Study Fig. 8, which shows deforestation of an area of tropical rain forest.

1960 Settlement Tropical rain forest

River

2000 Tree felling New road Mining Farming

River

Fig. 8

Describe and explain the likely effects of deforestation on:

(i) food chains; [3]

(ii) rivers. [5]

(c) Name an area of tropical which you have studied. Describe and explain the main features of its climate. [7]

[ Total: 25 marks]

2 © Oxford University Press 2012 Chapter 8: Climate and vegetation past paper questions

QUESTION 2: Cambridge IGCSE Geography 0460/ 01 Q3 June 2008

(a) Study Fig. 5A, which shows the location of the , along with Fig. 5B, a graph showing its climate.

N

N

NEVADA

NEVADA UTAH

UTAH CALIFORNIA

CALIFORNIA Mojave Desert

Mojave Desert

ARIZONA Pacific Ocean

ARIZONA Pacific Ocean

0 250 km 0 250 km Fig. 5A CANADA

CANADA

USA

USA

Area shown by Fig. 5A

Area shown by Fig. 5A

MEXICO

MEXICO

3 © Oxford University Press 2012 Chapter 8: Climate and vegetation past paper questions

40

30

20 Temperature (ºC) Temperature 10

40 0

35

30

25

20

Precipitation (mm) 15

10

5

0 J F M A M J J A S O N D Months Fig. 5B

(i) Estimate the total annual precipitation in the Mojave Desert. [1] (ii) What is the annual temperature range in the Mojave Desert? You must show how you worked out your answer. [2]

(iii) Describe the location of the Mojave Desert. [3] (iv) Explain why tropical desert areas, such as the Mojave Desert, are hot and dry. You may use labelled diagrams or sketch maps in your answer. [4]

(b) Study Photograph D (Insert), which shows vegetation in part of the Mojave Desert. (i) Describe the main features of the vegetation shown in Photograph D. [3] (ii) Explain the effects of climate on the natural vegetation in tropical desert areas. [5]

(c) Many areas of natural vegetation are at risk from human activities. Name either an area of tropical rain forest or tropical desert which you have studied and explain why and how it is at risk from human activities. [7] [ Total: 25 marks]

4 © Oxford University Press 2012